Finding the Third Proportional to 277,553 and 654,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   277,553 : 654,984.50 = 654,984.50 : x
2. Step 2: Convert to fraction form
   277,553/654,984.50 = 654,984.50/x
3. Step 3: Cross multiply
   277,553x = 654,984.50 × 654,984.50
4. Step 4: Simplify right side
   277,553x = 429,004,695,240.25
5. Step 5: Solve for x
   x = 429,004,695,240.25/277,553
6. Step 6: Final answer
   x = 1,545,667.66